diff options
Diffstat (limited to 'gcc/tree-ssa-loop-ivcanon.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivcanon.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c index d54f704..eef613c 100644 --- a/gcc/tree-ssa-loop-ivcanon.c +++ b/gcc/tree-ssa-loop-ivcanon.c @@ -555,9 +555,8 @@ remove_redundant_iv_tests (struct loop *loop) /* Only when we know the actual number of iterations, not just a bound, we can remove the exit. */ if (!number_of_iterations_exit (loop, exit_edge, - &niter, false, false)) - gcc_unreachable (); - if (!integer_onep (niter.assumptions) + &niter, false, false) + || !integer_onep (niter.assumptions) || !integer_zerop (niter.may_be_zero) || !niter.niter || TREE_CODE (niter.niter) != INTEGER_CST |